Answer both questions a, and b, relating to the dotplot given below. C. The conf

Question

Answer both questions a, and b, relating to the dotplot given below. C. The confidence interval methods of this section are robust against departures from normality, meaning they work well with distributions that aren't normal, provided that departures from normality are extreme. D. The confidence interval methods of this section are robust against departures from normality, meaning they work well with distributions that aren't normal provided that departures from normality are not too extreme. Does the given dotplot appear to satisfy these requirements? A. No, because the dotplot does not resemble a normal distribution and the sample size is fewer than 30. B. Yes, because the dotplot resembles a normal distribution and the sample size is greater than 30. C. No, because the dotplot resembles a normal distribution and the sample size is greater than 30. D. Yes, because because the dotplot does not resemble a normal distribution and the sample size is fewer than 30.

Explanation / Answer

clearly sampl size > 30

hence

option B) is correct

yes, the dotplot resembles a normal distribution and sample size is greater than 30

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